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2016年10月27日--格式布局

时间:2016-10-28 20:19:53      阅读:158      评论:0      收藏:0      [点我收藏+]

标签:art   play   小练习   ges   ace   pad   9.png   charset   www   

格式布局

1、position:fixed

相对于浏览器窗口来对元素进行定位

技术分享position:fixed
<html>
<head>
<style type="text/css">
p.one
{
position:fixed;
left:5px;
top:5px;
}
p.two
{
position:fixed;
top:30px;
right:5px;
}
</style>
</head>
<body>

<p class="one">字字字字字</p>
<p class="two">字字字字字</p>

</body>
</html>
示例

2、position:absolute

使用绝对值来对元素进行定位

技术分享position:absolute
<html>
<head>
<style type="text/css">
h2.pos_abs
{
position:absolute;
left:100px;
top:150px
}
</style>
</head>

<body>
<h2 class="pos_abs">绝对定位</h2>
<p>通过绝对定位,元素可以放置到页面上的任何位置。下面的标题距离页面左侧 100px,距离页面顶部 150px。</p>
</body>

</html>
示例

3、position:relative

相对于一个元素的正常位置来对其定位

技术分享position:relative
<html>
<head>
<style type="text/css">
h2.pos_left
{
position:relative;
left:-20px
}
h2.pos_right
{
position:relative;
left:20px
}
</style>
</head>

<body>
<h2>这是位于正常位置的标题</h2>
<p>相对定位会按照元素的原始位置对该元素进行移动。</p>
<h2 class="pos_left">相对于其正常位置向左移动</h2>
<p>样式 "left:-20px" 从元素的原始左侧位置减去 20 像素。</p>
<h2 class="pos_right">相对于其正常位置向右移动</h2>
<p>样式 "left:20px" 向元素的原始左侧位置增加 20 像素。</p>
</body>

</html>
示例

4、分层(z-index)

Z-index可被用于将在一个元素放置于另一(些)元素之后或之前

技术分享
<html>
<head>
<style type="text/css">
img.x
{
position:absolute;
left:0px;
top:0px;
z-index:-1
}
</style>
</head>

<body>
<h1>这是一个标题</h1>
<img class="x" src="http://files.cnblogs.com/files/hqxc/001.ico" /> 
<p>默认的 z-index 是 0。Z-index -1 拥有更低的优先级。</p>
</body>

</html>
img在后
技术分享
<html>
<head>
<style type="text/css">
img.x
{
position:absolute;
left:0px;
top:0px;
z-index:1
}
</style>
</head>

<body>
<h1>这是一个标题</h1>
<img class="x" src="http://files.cnblogs.com/files/hqxc/001.ico" /> 
<p>默认的 z-index 是 0。Z-index 1 拥有更高的优先级。</p>
</body>

</html>
img在前

5、float:left,right

  float 属性定义元素在哪个方向浮动。

技术分享float
<html>
<head>
<style type="text/css">
img 
{
float:right
}
</style>
</head>

<body>
<p>添加一个样式为 <b>float:right</b> 的图像。结果是这个图像会浮动到段落的右侧。</p>
<p>
<img src="http://files.cnblogs.com/files/hqxc/001.ico" />
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</p>
</body>

</html>
示例

 

 

 

 

 

小练习:

  1.菜单

技术分享
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
* {
    margin: 0px;
    padding: 0px;
}
.aa {
    width: 80px;
    height: 40px;
    background-color: #0000ff;
    position: relative;
    top: 100px;
    left: 300px;
    overflow: hidden;
    transition: 0.7s;
}
.aa:hover {
    overflow: visible;
    background-color: #FFB600;
}
.a1 {
    width: 80px;
    height: 120px;
    background-color: #FFff04;
    position:relative;
    top: 40px;
    left: 0px;
}
.a2 {
    width: 80px;
    height: 40px;
    float: left;
    overflow: hidden;

}
.a2:hover {
    overflow: visible;
    background-color: #FFB600;
}
.a3 {
    width: 240px;
    height: 40px;
    position: relative;
    left: 80px;}
.a4 {
    width: 80px;
    height: 40px;
    position:relative;
    float:left;
}
.a5 {
    width: 80px;
    height: 40px;
    position:relative;
}
</style>
</head>

<body>
<div class="aa" style="">
<div style="position:absolute;"></div>
  <div class="a1">
    <div class="a2" style="background-color:#FFff04">
      <div class="a3" style="background-color:#FF0004">
        <div class="a4" style="background-color:#FFB600">1</div>
        <div class="a4" style="background-color:#FF0004">2</div>
        <div class="a4" style="background-color:#FFB600">3</div>
      </div>
    </div>
    <div class="a2" style="background-color:#FF0004">
      <div class="a3" style="background-color:#FF0004">
        <div class="a4" style="background-color:#FFB600">11</div>
        <div class="a4" style="background-color:#FF0004">22</div>
        <div class="a4" style="background-color:#FFB600">33</div>
      </div>
      </div>
    <div class="a2" style="background-color:#00ff04">
      <div class="a3" style="background-color:#FF0004;width: 80px;">
        <div class="a5" style="background-color:#FF0004">111</div>
        <div class="a5" style="background-color:#FFB600">222</div>
        <div class="a5" style="background-color:#FF0004">333</div>
      </div>
      </div>
  </div>
</div>
</body>
</html>
结果

  2.仿照页面布局

技术分享
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style></style>
<link href="360.css" rel="stylesheet" type="text/css" />
</head>

<body>
<form>
  <div id="top">
    <div id="index" class="topp"> 设置360导航为首页 </div>
    <div id="topr" class="topp"> 互联网 | 反馈 | 换肤 </div>
  </div>
  <div style="width:1000px;height:2300px; margin-left:auto; margin-right:auto; position:relative; margin-bottom:50px;">
    <div style="height:50px;">
      <div style="width:193px; height:50px; background-image:url(images/t0151320b1d0fc50be8.png); background-repeat:no-repeat; background-position:center; position:relative; float:left;"></div>
      <div style=" position:relative; float:left; border:1px solid #000000; width:420px; height:50px;">天气www</div>
      <div class="topp2">万年历</div>
      <div class="topp2">
        <input type="text" placeholder="邮箱账号" />
      </div>
    </div>
    <div class="sousuo">
      <div style=" margin-left:200px; width:600px;position:absolute;">
        <ul style="list-style:none;position:relative;">
          <li class="ssli">X1</li>
          <li class="ssli">X2</li>
          <li class="ssli">X3</li>
          <li class="ssli">X4</li>
          <li class="ssli">X5</li>
          <li class="ssli">X6</li>
          <li class="ssli">X7</li>
          <li class="ssli">X8</li>
        </ul>
      </div>
      <div style=" float:left; left:200px; top:50px; width:500px; height:30px; border:1px solid #000000;position:relative;">
        <div style=" left:-200px; width:193px; height:33px; position:relative; background-image:url(images/so.png); background-repeat:no-repeat;"></div>
      </div>
      <div style=" float:left; left:210px; top:50px; width:100px; height:30px; border:1px solid #000000;position:relative; line-height:30px;">搜一下</div>
    </div>
    <div class="sousuo" style="height:80px;">
      <div class="tuijian" style="background-color:#FFB600;">推荐网站</div>
      <div class="tuijian" style="background-color:#FF0004;">新闻头条</div>
      <div class="tuijian" style="background-color:#FFB600;">333333</div>
      <div class="tuijian" style="background-color:#FFB600;">推荐网站</div>
      <div class="tuijian" style="background-color:#FF0004;">新闻头条</div>
      <div class="tuijian" style="background-color:#FFB600;">333333</div>
      <div class="tuijian" style="background-color:#FFB600;">推荐网站</div>
      <div class="tuijian" style="background-color:#FF0004;">新闻头条</div>
      <div class="tuijian" style="background-color:#FFB600;">333333</div>
      <div class="tuijian" style="background-color:#FF0004; width:30px; font-size:16px; line-height:20px;">静音</div>
    </div>
    <div class="zhuti">
      <div class="zi" style="height: 269px; line-height:269px; background-image:url(cut/1.png);">背景切图</div>
      <div class="zi" style="margin-top: 10px;height: 117px; line-height:117px; background-image:url(cut/4.png);">背景切图</div>
      <div class="zi" style="margin-top: 10px;height: 276px; line-height:276px; background-image:url(cut/6.png);">背景切图</div>
      <div class="zi" style="height: 245px; line-height:245px; background-image:url(cut/12.png);">背景切图</div>
      <div class="zi" style="height: 245px; line-height:245px; background-image:url(cut/13.png);">背景切图</div>
      <div class="zi" style="height: 245px; line-height:245px; background-image:url(cut/14.png);">背景切图</div>
      <div class="zi" style="height: 245px; line-height:245px; border-botton:0px;background-image:url(cut/15.png);">背景切图</div>
      <div class="zi" style="height: 79px; line-height:79px; border-top:0px;background-image:url(cut/17.png);">背景切图</div>
    </div>
    <div style="left:10px; width:748px;" class="zhuti">
      <div class="zi" style="height: 258px;line-height:258px; background-image:url(cut/2.png);">背景切图</div>
      <div class="zi" style=" margin-top: 10px;height: 40px;line-height:40px; font-size:30px; background-image:url(cut/3.png);">背景切图</div>
      <div class="zi" style=" margin-top: 10px;height: 215px;line-height:215px; background-image:url(cut/5.png);">背景切图</div>
      <div class="zi" style="height: 32px;line-height:32px; border:0px; background-color:#DBD6D6;font-size:30px; background-image:url(cut/7.png);">背景切图</div>
      <div class="zi" style="height: 249px;line-height:249px; border:0px; background-image:url(cut/8.png);">背景切图</div>
      <div class="zi" style="height: 219px;line-height:219px; border:0px; background-image:url(cut/9.png);">背景切图</div>
      <div class="zi" style="height: 219px;line-height:219px; border:0px; background-image:url(cut/10.png);">背景切图</div>
      <div class="zi" style="height: 399px;line-height:399px; border:0px; background-image:url(cut/11.png);">背景切图</div>
      <div class="zi" style="margin-top: 10px;height: 80px;line-height:80px; border:0px;background-image:url(cut/16.png);">背景切图</div>
    </div>
    <div style=" margin-top:10px;height: 230px;" class="zhong">
      <div class="z1" style="background-image:url(cut/18.png);">背景切图</div>
      <div class="z1" style="background-image:url(cut/19.png);">背景切图</div>
      <div class="z1" style="border-right:1px solid #e6e6e6;background-image:url(cut/20.png);">背景切图</div>
    </div>
  </div>
  </div>
</form>
</body>
</html>
HTML部分
技术分享
@charset "utf-8";
/* CSS Document */

* {
    margin: 0px;
    padding: 0px;
}
#top {
    position: relative;
    background-color: #fbfbfb;
    height: 30px;
    line-height: 30px;
    border-bottom: 1px solid #E1E1E1;
}
.topp {
    text-align: center;
    font-size: 12px;
    margin: 3px;
    position: relative;
    height: 24px;
    line-height: 24px;
}
#index {
    left: 10%;
    border: 1px solid #a8a8a8;
    width: 110px;
    background-color: #fbfbfb;
}
#topr {
    position: absolute;
    right: 10%;
    top: 3px;
}
.topp2 {
    position: relative;
    float: left;
    top: 5px;
    margin-left: 20px;
    padding: 10px;
    border-left: 1px solid #a8a8a8;
    height: 20px;
}
.sousuo {
    position: relative;
    width: 1000px;
    height: 100px;
    line-height: 50px;
    background-color: #fbfbfb;
    margin-top: 10px;
}
.ssli {
    line-height: 20px;
    top: 20px;
    position: relative;
    float: left;
    margin-left: 20px;
}
.ssli:hover {
    background-color: #3AFF00;
}
.tuijian {
    width: 105px;
    height: 40px;
    position: relative;
    float: left;
}
.zhuti {
    top: 5px;
    width: 238px;
    height: 1745px;
    position: relative;
    float: left;
}
.zi {
    width: 100%;
    position: relative;
    box-shadow: 0px 0px 2px #969696;
    font-size: 50px;
    font-weight: 700;
    background-repeat: no-repeat;
    text-align: center;
    color: #FF0004;
}
.zhong {
    margin-top: 10px;
    width: 100%;
    height: 200px;
    position: relative;
    float: left;
}
.z1 {
    width: 332px;
    height: 100%;
    position: relative;
    float: left;
    border-left: 1px solid #e6e6e6;
    border-top: 1px solid #e6e6e6;
    border-bottom: 1px solid #e6e6e6;
    font-size: 50px;
    font-weight: 700;
    background-repeat: no-repeat;
    text-align: center;
    line-height: 220px;
    color: #FF0004;
}
CSS部分

 

 

 

 

 

 

.

2016年10月27日--格式布局

标签:art   play   小练习   ges   ace   pad   9.png   charset   www   

原文地址:http://www.cnblogs.com/hqxc/p/6008985.html

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